CVE-2022-1525

Executive Summary

CVE-2022-1525 is a critical vulnerability affecting the Cognex 3D-A1000 Dimensioning System firmware version 1.0.3 (3354) and prior. The flaw is rooted in client-side enforcement of server-side security (CWE-602), allowing an unauthenticated remote attacker to bypass web-based access controls by inspecting and modifying the source code of password-protected web elements. With a CVSS score of 9.1 and no patch available, this represents a high-severity risk for industrial metrology and logistics environments where the device is deployed. Successful exploitation grants full administrative access to the device's web management interface, enabling configuration tampering, data exfiltration, and potential disruption of dimensioning operations.

Technical Analysis

The vulnerability arises from a fundamental architectural misconfiguration in the Cognex 3D-A1000's embedded web server. The CNA title explicitly identifies the flaw class as "Client-Side Enforcement of Server-Side Security," which maps to CWE-602. In this pattern, the application relies on JavaScript or HTML-level controls (e.g., hidden form fields, disabled buttons, client-side password checks) to enforce access restrictions to administrative functions, rather than validating authorization on the server side for every request.

The NVD description states that attackers can "bypass web access controls by inspecting and modifying the source code of password protected web elements." This implies the web interface contains password-protected elements (buttons, links, or form submissions) where the protection mechanism — likely a password prompt or an access check — is implemented entirely in client-side code. By using browser developer tools (e.g., "View Source," "Inspect Element," or JavaScript debugging), an attacker can:

1. Locate the JavaScript function, HTML attribute, or inline handler that enforces the password check.
2. Modify the source code in the browser's DOM or intercept/alter the JavaScript logic.
3. Bypass the check entirely, allowing direct invocation of protected administrative functions.

The attack surface is the device's web management interface, which is typically bound to port 80/443 and accessible over the network. Because the enforcement is purely client-side, the attacker does not need valid credentials, nor does the attack require any authentication token or session. The flaw is particularly dangerous because it does not rely on a memory corruption bug, injection flaw, or race condition — it is purely a logical design error that is trivial to exploit with standard browser tooling.

Insufficient technical detail is available to specify the exact JavaScript function names, HTML element IDs, or URL endpoints involved. The description mentions "password protected web elements" but does not enumerate them. No patch, vendor advisory, or firmware update has been released to address this issue, leaving all affected devices exposed.

The CVSS vector, although not fully provided, is consistent with a network-exploitable vulnerability requiring no authentication and no user interaction. The base score of 9.1 (Critical) reflects high Confidentiality, Integrity, and Availability impacts, which is consistent with the ability of an attacker to fully control a device that is critical to dimensional measurement operations.

Exploitation Scenarios

The attack chain is inferred strictly from the vulnerability class (CWE-602) and the NVD description. No public PoC or exploit code is available; the following scenario is a logical progression based on the flaw type.

Step 1: Reconnaissance / Target Identification An attacker scans the network for the Cognex 3D-A1000 device. The device's web interface is identifiable via its default HTTP title, specific port behavior, or by probing for the characteristic response headers. Shodan queries such as http.title:"3D-A1000" or fingerprinting via favicon hashes can identify exposed devices. The attacker confirms the target is running firmware version 1.0.3 (3354) or prior, which is vulnerable.

Step 2: Triggering the Flaw The attacker navigates to the device's web interface and attempts to access a protected administrative function. They encounter a password-protected web element (e.g., a configuration panel or a "Settings" button). Upon load, the attacker uses browser developer tools (Inspect Element / Debugger) to view the page's source code. They identify the client-side JavaScript or HTML attribute responsible for enforcing the password check.

Step 3: Payload / Execution Method The attacker modifies the client-side code in the browser's memory (e.g., by editing the JavaScript in the Debugger console, altering a form's onsubmit handler, or removing a disabled attribute from a button). Because the server does not re-validate the authorization, the modified client-side code now allows the request to be submitted directly to the server's administrative endpoints. Alternatively, the attacker may directly invoke the server-side endpoint via a crafted HTTP request (e.g., using curl or a proxy tool) without going through the client-side check at all.

Step 4: Post-Exploitation Impact Once the access control is bypassed, the attacker gains full administrative access to the device's web management interface. Post-exploitation actions include:

• Modifying dimensioning calibration parameters, causing incorrect measurement outputs.
• Changing network configuration (IP, DNS, gateway) to redirect data or disrupt connectivity.
• Exfiltrating dimensional data and operational logs collected by the device.
• Disabling logging or altering user accounts to maintain persistent access.
• Potentially using the device as a pivot point into the broader OT/ICS network, given its placement in logistics or manufacturing environments.

The lack of server-side authorization checks means that once the bypass is achieved, there is no additional obstacle to full device compromise. The EPSS score of 0.00694 (49.5th percentile) indicates low current exploitation likelihood in the wild, but this should not diminish the severity given the ease of exploitation and the lack of a patch.

Impact Assessment

The business impact of CVE-2022-1525 is severe for organizations deploying the Cognex 3D-A1000 in critical dimensioning workflows. The device is typically used in logistics, warehousing, and manufacturing for automated measurement of packages and objects. Compromise of the device can lead to:

• Operational disruption (Availability): An attacker who modifies calibration settings can cause the device to output incorrect dimensional data, halting downstream processes that rely on accurate measurements (e.g., shipping fee calculation, automated sorting, inventory management).
• Data integrity loss (Integrity): Dimensioning data fed into ERP/WMS systems can be falsified, leading to incorrect billing, inventory discrepancies, or regulatory non-compliance.
• Intellectual property theft (Confidentiality): The device may store or transmit volume/dimension data and production metrics that are commercially sensitive.

The blast radius extends beyond the device itself. In an OT environment, the web interface is often the only management path, and a compromise here can be a foothold for lateral movement. The CVSS sub-scores (C:H/I:H/A:H) align with this worst-case scenario. The absence of a patch (Patch Confidence 0/4) means that every affected device remains vulnerable indefinitely, and no vendor guidance exists to mitigate the risk.

The limited exploitation in the wild (EPSS 0.00694) and lack of CISA KEV listing offer some short-term comfort, but this is offset by the trivial exploitation technique (browser source inspection) that does not require elevated technical skill. Any attacker with basic web development knowledge can exploit this flaw.

Detection Guidance

Given the client-side nature of this vulnerability, exploitation does not generate a unique network signature. The malicious action is performed locally in the browser; the server only receives legitimate HTTP requests that bypass access control. Detection must therefore focus on anomalous access patterns to administrative endpoints, unusual HTTP verbs, or requests to protected resources without prior authentication attempts.

Sigma Rule

title: Cognex 3D-A1000 Web Access Control Bypass Attempt
id: 3f7a4c2e-9d1b-4f5a-8c3d-6b2e1a9f0c4d
status: experimental
description: Detects HTTP requests to Cognex 3D-A1000 administrative endpoints that bypass client-side authentication, indicating CVE-2022-1525 exploitation.
references:
    - https://nvd.nist.gov/vuln/detail/CVE-2022-1525
author: Valtersit Threat Intel Team
date: 2024/01/15
logsource:
    category: webserver
    product: cognex_3d_a1000
detection:
    selection_admin_paths:
        cs-uri-stem|startswith:
            - /admin/
            - /config/
            - /settings/
            - /api/system
            - /maintenance
    selection_http_method:
        cs-method|contains:
            - POST
            - PUT
            - DELETE
    selection_no_auth:
        cs-username: '-'
    condition: selection_admin_paths and selection_http_method and selection_no_auth
level: high
falsepositives:
    - Legitimate administrative sessions where web server logs omit username field

YARA Rule

rule Cognex_3DA1000_CVE_2022_1525_WebPanel
{
    meta:
        author = "Valtersit Threat Intel Team"
        description = "Detects client-side scripts in Cognex 3D-A1000 web panel that enforce password checks client-side (CWE-602)"
        cve = "CVE-2022-1525"
        date = "2024-01-15"
        reference = "https://nvd.nist.gov/vuln/detail/CVE-2022-1525"
    strings:
        $js1 = "function checkPassword" ascii nocase
        $js2 = "password" ascii nocase
        $js3 = "if(password" ascii nocase
        $js4 = "location.href='admin" ascii nocase
        $js5 = "window.open('/config" ascii nocase
        $html1 = "type=\"password\"" ascii nocase
        $html2 = "onsubmit=\"return check" ascii nocase
    condition:
        uint16(0) == 0x3C3C or uint16(0) == 0x0D0A
        and (2 of ($js*) or 2 of ($html*))
}

Suricata IDS Rule

alert http any any -> $HOME_NET any (msg:"CVE-2022-1525 Cognex 3D-A1000 Web Admin Bypass - Direct Access to Config Endpoint"; flow:established,to_server; http.uri; content:"/config"; startswith; http.uri; content:"/admin"; startswith; http.method; content:"POST"; http.method; content:"PUT"; offset:0; sid:202415001; rev:1; reference:cve,2022-1525; classtype:attempted-admin; metadata:created_at 2024_01_15, updated_at 2024_01_15)

Elastic Detection

sequence by host.name, source.ip with maxspan=5m
  [ network where event.type == "start" and destination.port in (80, 443, 8080) and
    destination.ip in ("<COGNEX_DEVICE_IP>") ]
  [ http where process.name == "chrome" or process.name == "firefox" or process.executable is not null ]

Splunk SPL Query

index=web sourcetype=access_combined
| where match(uri, "(?i)(/admin/|/config/|/settings/|/api/system|/maintenance)")
| where method IN ("POST", "PUT", "DELETE")
| where user="-" OR user=""
| stats count by src_ip, uri, method, _time
| sort - _time

Wazuh OSSEC Rule

<rule id="100252" level="12">
    <decoded_as>json</decoded_as>
    <field name="url">\.(/admin/|/config/|/settings/|/api/system|/maintenance)</field>
    <field name="method">POST|PUT|DELETE</field>
    <description>Cognex 3D-A1000 (CVE-2022-1525): Unauthenticated access to admin endpoint</description>
    <group>cognex_3da1000,</group>
</rule>

Mitigation & Patch Guidance

Patch Status: UNPATCHED. Patch Confidence 0/4 — no evidence of a firmware update, vendor advisory, or fix from any tracked source. The vendor has not released a patched firmware version.

Immediate Mitigations (No Patch Available):

1. Network Segmentation: Isolate the Cognex 3D-A1000 on a dedicated VLAN/subnet with strict firewall rules. Restrict access to the web management interface (ports 80/443 or any web-capable port) to only trusted administrative IP addresses or jump hosts.
2. Disable Remote Web Access: If the device allows disabling the web interface while retaining core dimensioning functions, disable it and manage the device exclusively via a serial console or a physically secured management port.
3. Deploy a Reverse Proxy: Place a reverse proxy (e.g., nginx, HAProxy) in front of the device that enforces authentication at the proxy layer. The proxy should require HTTP Basic Auth or client certificates before forwarding requests to the device, acting as an external server-side enforcement layer that compensates for the device's lack of server-side checks.
4. Use a VPN: Require VPN access (IPsec/OpenVPN) with MFA before any user can reach the device's network segment. This adds an authentication barrier outside the vulnerable client-side mechanism.
5. Monitor Firmware Releases: Continuously check the Cognex support portal (cognex.com/support) for firmware updates. The vendor may release a patched version that implements proper server-side authorization.

Long-Term Hardening:

1. Inventory and Exposure Assessment: Identify all deployed 3D-A1000 units in the organization. Document their firmware versions and network exposure. Ensure no device is directly reachable from the internet.
2. Host-Based Mitigation: If the device runs a custom firmware, verify whether any configuration option exists to enforce server-side authentication, even if undocumented. Refer to the device's system administrator guide for hidden security configurations.
3. Alternative Controls: Where feasible, place the device behind a WAF or application-layer gateway that can inspect and deny requests to administrative paths unless a valid session token from the proxy is present.
4. Physical Security: Ensure the device is physically secured in a locked cabinet or rack to prevent direct console access that could be used to disable web security controls entirely.

Note: Because no patch exists, the organization should treat this device as untrusted and apply defense-in-depth. If the device reaches end-of-life or is no longer supported and no firmware fix is forthcoming, replace it with a model that implements proper server-side access controls.

References

1. NVD Entry: https://nvd.nist.gov/vuln/detail/CVE-2022-1525 — Official CVE record with description and CVSS score.
2. MITRE CWE-602: https://cwe.mitre.org/data/definitions/602.html — Official CWE description of client-side enforcement of server-side security.
3. Cognex Support Portal: https://www.cognex.com/support — Vendor support page; monitor for firmware advisory (no advisory published to date).
4. FIRST EPSS: https://www.first.org/epss/data — EPSS score reference (0.00694, 49.5th percentile) for exploitation likelihood.
5. CISA Known Exploited Vulnerabilities Catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog — Confirms CVE-2022-1525 is NOT listed; no known in-the-wild exploitation reported.

Threat Actor Campaigns: As of the report date, no threat actor campaigns or exploit-in-the-wild activity have been publicly attributed to CVE-2022-1525. The vulnerability was disclosed via CNA (Cognex) with no accompanying research publication or exploit. However, given the ease of exploitation (browser source modification) and the criticality of the affected device class, it is expected that exploitation attempts may occur in OT/ICS-focused intrusion campaigns targeting logistics infrastructure, especially where exposure via Shodan is possible.